This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 29 February 2012 |
| File Name | iPad3,1_5.1_9B176_Restore.ipsw |
| File Size | 1.04 GB |
| SHA256sum | f6f21b7ee6fcd625fbad28bc619c8cdb5d9ee76487c5e38cc210eac47085113f |
| MD5sum | 2ad0a5db64327b881ea719bdd1483d2a |
| SHA1sum | 47377eba715b3536e3f1685b8a5b10606b5a41ed |
| Identifier | iPad3,1 |
cd ~/Downloads.idevicerestore -e iPad3,1_5.1_9B176_Restore.ipsw and press Enter.